Sofame
Records under this name other than patents Sofame holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to Sofame
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,293,861 | Direct contact water heater with hybrid heat source Term ended Term ended no later than Mar 15, 2014 · Low confidence | Term ended | Term ended no later than Mar 15, 2014 | Low confidence |
| US 5,749,356 | Low NOX and CO emissions direct contact high temperature water heater Term ended Term ended no later than May 12, 2018 · Low confidence | Term ended | Term ended no later than May 12, 2018 | Low confidence |
| US 5,765,546 | Direct contact water heater with dual water heating chambers Term ended Term ended no later than Jun 16, 2018 · Low confidence | Term ended | Term ended no later than Jun 16, 2018 | Low confidence |
| US 5,769,067 | Air heater and humidifier using direct contact heating principles and method of operation Term ended Term ended no later than Jun 23, 2018 · Low confidence | Term ended | Term ended no later than Jun 23, 2018 | Low confidence |
| US 5,967,137 | High efficiency direct-contact high temperature water heater Term ended Term ended no later than Oct 19, 2019 · Low confidence | Term ended | Term ended no later than Oct 19, 2019 | Low confidence |